acro-, acr- +

Osteolysis (a softening and destruction of bone) involving the distal (farthest from the center, from a medial line, or from the trunk) phalanges of the fingers and toes.

A condition seen in dogs, characterized by hyeperostosis of the bones of the limbs, later involving other skeletal regions; it may be associated with tumors or tuberculosis.

1. A thickening of the fingers and toes as a consequence of a pathologic condition that affects the periosteum and subcutaneous tissues, as in hyperthyroidism or hypertrophic pulmonary osteoarthropathy.
2. Thickening of peripheral tissues; seen most often in
hypothyroidism and hypertrophic pulmonary osteoarhropathy.

Thickening of the skin over the extremities, as occurs in acromegaly and pachydermoperiostitis.

Paralysis of the extremities (includes hands and feet).

1. Disease marked by attacks of tingling in the outer parts of the body.
2. Numbness, tingling, and/or other abnormal sensations of the extremities (for example, the fingers, hands, forearms, and toes); usually due to a carpal tunnel syndrome but also from other causes; seen frequently in organic disorders, especially peripheral nerve lesions.

There are times when the term refers only to those unpleasant sensations that occur without any demonstrable organic basis.

The pathology of diseases affecting the extremities.

A condition affecting the fingers and toes in which the nail-beds result in thickening and widening of the extremities of the digits; the nails are abnormally curved and shiny.

1. Developing upward from the base toward the apex or tip.
2. Rising toward the summit.

Pertaining to or dwelling in lofty peaks.

A person who is excessively afraid of being in high places.

Excessive fear of heights, elevators, climbing ladders, pinnacles, etc.; fear of sharp points.

This is one of the most common phobias in the general population.

People who have acrophobia are afraid of being on high floors of buildings or on the tops of hills or mountains. They often feel anxious when they approach the edge of bridges, rooftops, stairwells, and railings. Sometimes individuals fear and feel an uncontrollable urge to jump. They may have fantasies and physical sensations of falling even when standing on firm ground.

Those fears of being in elevators or on escalators, balconies, and stairways are probably related to the fear of heights; as is the fear of flying or falling.

1. Having to do with acrophony.
2. Instituted or used on the basis of acrophony

1. The sound of the initial or beginning; the use of what was originally a picture-symbol or hieroglyph of an object to represent phonetically the initial syllable or sound of the name of the object; e.g. employing the symbol of an ox, aleph, to represent the syllable or letter.
2. The naming of a letter by a word whose initial sound is the same as that which the letter represents.

A plant growing at a high altitude; an alpine plant.